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单词 presbyopia
释义
presbyopia
noun[U]
medicalspecialized
uk
/ˌprez.biˈəʊ.pi.ə/us
/ˌprez.biˈoʊ.pi.ə/
aconditionin which someonefindsitdifficulttofocustheeyeson things that are near,especiallywhen there is not muchlight, which usually getsworsewithage:
老花眼，老年远视
Presbyopiadevelopsas theeyes'lenseslosetheirabilitytofocuson nearobjects.
Then presbyopia set in, and shefounditdifficulttoseeupclose.
See also
hyperopia
More examples
  • Thistechniquecanrestorepatient’sabilitytodealwith nearvisiontaskswhich has beenlostdueto presbyopia .
  • Despiteextensiveresearchon thesubject, little haschangedin thebasicunderstandingof presbyopia in 150years.
  • A thirdfactorcontributingto presbyopialiesin theinternalstructureof thelensitself.
SMART Vocabulary: related words and phrases
Eyesight, glasses & lenses
  • accommodative
  • afterimage
  • age-related macular degeneration
  • AMD
  • astigmatic
  • bespectacled
  • bifocals
  • boss-eyed
  • dark glasses
  • goggles
  • macular degeneration
  • monocular
  • multifocal
  • naked
  • nearsightedly
  • ophthalmology
  • pince-nez
  • snow blindness
  • sty
  • sunnies
See more results »
(Definition ofpresbyopiafrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)
presbyopia
noun[U]
medicalspecialized
uk
/ˌprez.biˈəʊ.pi.ə/us
/ˌprez.biˈoʊ.pi.ə/
aconditionin which someonefindsitdifficulttofocustheeyeson things that are near,especiallywhen there is not muchlight, which usually getsworsewithage
老花眼，老年远视
Compare
hyperopia

Examplesofpresbyopia

presbyopia
One person's reading glasses forpresbyopiacan be the same as another's distance glasses.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
How can someone know whether they havepresbyopiaor something else?
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
We are advised thatpresbyopiais a medical condition of the eye caused by a natural ageing process.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
For example, let us suppose that someone has an early glaucoma or an early diabetic retinopathy, but also somepresbyopia.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
The condition known aspresbyopiais perfectly normal.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Many of the conditions which are detected by the screening by opticians occur at the ages whenpresbyopiaappears.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Furthermore,presbyopiais part of the total body undergoing its natural changes through age throughout our life.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Theoretically, it is impossible for there to bepresbyopiaof more than three dioptrics, but ready-mades are said to be for persons suffering from presbyopia.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
In other words, inpresbyopiaage is one's prescription; and, vice versa, the prescription gives a good idea of age.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
I believe that they are only forpresbyopia, which is a natural condition which affects all of us at a certain age.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Throughout, one is subjected to a compulsory sight test merely in order to cater for the perfectly normal progression of one's age, which ispresbyopia.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
I should just like to say one word aboutpresbyopiabecause it sounds such a sinister word, and people seem to get the idea it is some form of disease.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Thus, it attacks the very group who in the normal way would be most likely to seek out aid for reading glasses as a result ofpresbyopia.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Like gray hair and wrinkles,presbyopiais a symptom caused by the natural course of aging.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
Additionally, the surgery is reversible in many cases, helping those who develop long-sightedness orpresbyopiaas they age.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/presbyopia##
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更新时间：2024/12/28 2:05:34